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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2017-06-21 16:00:27 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2017-08-30 14:01:21 +0200
commit603aa14d3daaa7073bab4c472025c4963030e0cc (patch)
treee4017147ab30285dd2cd3526ec8e6cd678ec986f
parent6bba406445e6be29a736304f7dd2773665ef6d34 (diff)
mmc: tmio, renesas-sdhi: add max_{segs, blk_count} to tmio_mmc_data
Allow TMIO and SDHI driver implementations to provide values for max_segs and max_blk_count. A follow-up patch will set these values for Renesas Gen3 SoCs the using an SDHI driver. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Ai Kyuse <ai.kyuse.uw@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--drivers/mmc/host/renesas_sdhi.h2
-rw-r--r--drivers/mmc/host/renesas_sdhi_core.c2
-rw-r--r--drivers/mmc/host/tmio_mmc_core.c6
-rw-r--r--include/linux/mfd/tmio.h2
4 files changed, 9 insertions, 3 deletions
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h
index ca83acc113b8..b9dfea5d8193 100644
--- a/drivers/mmc/host/renesas_sdhi.h
+++ b/drivers/mmc/host/renesas_sdhi.h
@@ -31,6 +31,8 @@ struct renesas_sdhi_of_data {
int scc_offset;
struct renesas_sdhi_scc *taps;
int taps_num;
+ unsigned int max_blk_count;
+ unsigned short max_segs;
};
int renesas_sdhi_probe(struct platform_device *pdev,
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index a4fb07d0ea91..569bcdd5e653 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -526,6 +526,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
mmc_data->capabilities |= of_data->capabilities;
mmc_data->capabilities2 |= of_data->capabilities2;
mmc_data->dma_rx_offset = of_data->dma_rx_offset;
+ mmc_data->max_blk_count = of_data->max_blk_count;
+ mmc_data->max_segs = of_data->max_segs;
dma_priv->dma_buswidth = of_data->dma_buswidth;
host->bus_shift = of_data->bus_shift;
}
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 88a94355ac90..56478fde7a09 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -1251,10 +1251,10 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host,
mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities;
mmc->caps2 |= pdata->capabilities2;
- mmc->max_segs = 32;
+ mmc->max_segs = pdata->max_segs ? : 32;
mmc->max_blk_size = 512;
- mmc->max_blk_count = (PAGE_SIZE / mmc->max_blk_size) *
- mmc->max_segs;
+ mmc->max_blk_count = pdata->max_blk_count ? :
+ (PAGE_SIZE / mmc->max_blk_size) * mmc->max_segs;
mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
mmc->max_seg_size = mmc->max_req_size;
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 26e8f8c0a6db..18b17a39d465 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -128,6 +128,8 @@ struct tmio_mmc_data {
unsigned int cd_gpio;
int alignment_shift;
dma_addr_t dma_rx_offset;
+ unsigned int max_blk_count;
+ unsigned short max_segs;
void (*set_pwr)(struct platform_device *host, int state);
void (*set_clk_div)(struct platform_device *host, int state);
};